Be sure to close the file.  2 places were deleting the file, so it was probably fine, but the last change may be required for the test to pass on Windows. Should we always close the mmap too?
Be sure to close the file.  2 places were deleting the file, so it was probably
fine, but the last change may be required for the test to pass on Windows.
Should we always close the mmap too?

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator